"Ein Volk, Ein Reich, Ein Führer" (Nazi Germany, 1933–45) - "Make America Great Again" (U.S. political, 2016) - "Take Back Control" (Brexit, 2016) - "Just Do It" (Nike, 1988–present) - "Doubt is our product" (tobacco industry internal, 1969) - "The vaccines are safe and effective" (public health com